h2,h3,h4,h5,h6{
    padding: 0;
    margin: 0;
}
a{
    text-decoration: none;
}
.logo{
    width: 200px;
    float: left;
}
.logo>h2{
    text-align: center;
    line-height: 50px;
}
.user{
    width: 250px;
    float: right;
}
.user_name,.off_user{
    width: 150px;
    float: left;
    text-align: center;
    line-height: 50px;
    border-left: 1px solid #eee;
}
.off_user{
    width: 100px;
}
footer{
    text-align: center;
    font-size: 13px;
    color: #333;
}
footer>a{
    color: #1e91cf;
    text-decoration: none;
}